Add support for Space avatars. (#4362)

ElementX/Sources/Services/Room/RoomInfoProxyProtocol.swift

@@ -69,6 +69,10 @@ extension BaseRoomInfoProxyProtocol {
             return .tombstoned
         }
         
+        if isSpace {
+            return .space(id: id, name: displayName, avatarURL: avatarURL)
+        }
+        
         if isDirect, avatarURL == nil, heroes.count == 1 {
             return .heroes(heroes.map(UserProfileProxy.init))
         }

ElementX/Sources/Services/Room/RoomSummary/RoomSummary.swift

@@ -134,6 +134,11 @@ extension RoomSummary {
             return .tombstoned
         }
         
+        // NOTE: The check for isSpace isn't implemented yet, waiting to see
+        // whether we end up with a different type for spaces in the room list.
+        //
+        // Don't forget to add a test when you remove this comment 😄
+        
         if isDirect, avatarURL == nil, heroes.count == 1 {
             return .heroes(heroes)
         } else {

ElementX/Sources/Services/Timeline/TimelineController/TimelineController.swift

@@ -570,7 +570,8 @@ class TimelineController: TimelineControllerProtocol {
                                                     attachments: nil)
         
         let avatarURL: URL? = switch roomProxy.details.avatar {
-        case .room(_, _, let avatarURL):
+        case .room(_, _, let avatarURL),
+             .space(_, _, let avatarURL):
             avatarURL
         case .heroes(let userProfiles):
             userProfiles.first?.avatarURL